Tony and some friends went to the movies. they bought 4 drinks and 2 tubs of popcorn and spent a total of $32.50 on the food. each drink costs $3.50 less than a tub of popcorn. write an equation that can be used to find the cost of one tub of popcorn.

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points

Which of the statements about the graph of the function y = 2x are true? check all of the boxes that apply. the domain is all real numbers x because the exponent of 2 can be any real number when the x-values increases by 1 unit, the y-value multiplies by 2. the y-intercept is (0, 1). the graph never goes below the x-axis because powers of 2 are never negative. the range is all real numbers.

Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?